19880595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63113}}^1$

素因数の和:63131

約数の個数: 24

約数和(自身を含む): 39383136

約数和(自身を除く): 19502541

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63113, 189339, 315565, 441791, 568017, 946695, 1325373, 2208955, 2840085, 3976119, 6626865, 19880595]

約数ペア:

[(1, 19880595), (3, 6626865), (5, 3976119), (7, 2840085), (9, 2208955), (15, 1325373), (21, 946695), (35, 568017), (45, 441791), (63, 315565), (105, 189339), (315, 63113)]